Digitization process: Recto and verso scanned using an Epson 10000 as 600 ppi, 48-bit, RGB .tifs; recto and verso files combined to make composite derivative then saturation adjusted with images blurred and resampled to 3000 pixels on the long edge, 24-bit .jpg, .pdf created and optimized in Acrobat with .jpg derivatives; 6.6 Mb, 2 pages